Kubota WG1903-G-E3 Operator's Manual page 63

Type
No. of cylinders - bore x stroke
Total displacement
Brake horse power
Max. torque
Governor type
Ignition system
Fuel used
Lubricating oil capacity
Starter
Total dimensions (L x W x H)
Weight (Dry)
Common tune up specification
Minimum bare idling speed
Maximum bare speed
Ignition timing
Spark plug type / Spark plug gap
Intake / Exhaust valve clearance
Check when engine is cold.
EU engine family name
CO Emission data
2
A Specifications are subject to change without notice.
A LPG regulator with vaporizer operates on a liquid withdrawal type system.
A For the long-range-maintenance models (equipped with Hydraulic Lash Adjuster)
- Maximum bare speed: 2400 rpm
- There is no need to check the valve clearance.
A This CO measurement results from testing over a fixed test cycle under laboratory conditions a(n) (parent) engine
2
representative of the engine type (engine family) and shall not imply or express any guarantee of the performance of
a particular engine.
*1 Large spark-ignition engines non-road transient test cycle
*2 Defined in Annex IX to Delegated Regulation (EU) 2017/654.
Model
mm (in.)
L (cu-in.)
SAE Gross kW(HP) /
intermittent min (rpm)
SAE net kW(HP) /
intermittent min (rpm)
SAE net kW(HP) /
continuous min (rpm)
SAE Gross N-m(lbf-ft) /
intermittent min (rpm)
L (US gals.)
mm (in.)
kg (lbs)
min (rpm)
min (rpm)
deg. BTDC
/ rpm
mm (in.)
mm (in.)
Non-road
g/kWh
steady-state
test cycle
LSI-NRTC*1 g/kWh
SPECIFICATIONS
WG2503-LN-E3
LPG
Vertical, Water-cooled 4 cycle
4- 88 x 102.4 (3.46 x 4.03)
2.491 (152.0)
46.0 (61.7) / 2700
42.7 (57.3) / 2400
41.5 (55.7) / 2700
39.4 (52.8) / 2400
35.0 (46.9) / 2700
32.5 (43.6) / 2400
178 (131.3) / 1400
Electronic Governor
Full transistor battery ignition type
Commercial LPG
9.5 (2.51)
12 V x 2.0 kW
670 (26.4) x 509 (20.0) x 761 (30.0)
197 (434.3)
700
2400, 2700
30 / 2700,
28.5 / 2400,
13 / 700
NGK IFR6F8DN /
0.7 to 0.8 (0.028 to 0.031)
0.18 to 0.22 (0.0071 to 0.0087)
JKBXB02.5GEA
958.3 (Fuel A*2)
934.3 (Fuel B*2)
939.4 (Fuel A*2)
916.7 (Fuel B*2)
51
Natural Gas
42.4 (56.9) / 2700
39.2 (52.6) / 2400
38.0 (51.0) / 2700
36.1 (48.4) / 2400
32.3 (43.3) / 2700
30.7 (41.2) / 2400
160 (118.0) / 1200
Natural Gas only
31 / 2700,
29 / 2400,
15 / 700
889.2 (G *2)
R
720.9 (G *2)
25
866.8 (G *2)
R
719.7 (G *2)
25